Skip to main content
Super TutorResources
Chapter 6 of 20
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Revision Notes

Drainage System

Karnataka Board · Class 11 · Geography

Quick revision notes for Drainage System — Karnataka Board Class 11 Geography. Key concepts, formulas, and definitions for last-minute revision.

74 questions22 flashcards5 concepts

Interactive on Super Tutor

Studying Drainage System? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

1,000+ Class 11 students started this chapter today

Key Topics to Revise

1

Basic Concepts and Terminology

  • Drainage: Flow of water through well-defined channels
  • Drainage System: Network of channels that drain water from an area
  • Catchment Area: Specific area from which a river collects water
2

Drainage Patterns

  • Dendritic Pattern: Tree-like branching pattern (e.g., Northern Plains rivers)
  • Radial Pattern: Rivers flow in all directions from a central point (e.g., Amarkantak range)
  • Trellis Pattern: Primary tributaries parallel, secondary at right angles
3

Classification of Indian Drainage

  • Based on discharge orientation: Arabian Sea (23%) and Bay of Bengal (77%) drainage
  • Major river basins: >20,000 sq km catchment (14 basins)
  • Medium river basins: 2,000-20,000 sq km catchment (44 basins)
4

Himalayan Drainage System

  • Evolved through long geological history
  • Fed by both snowmelt and precipitation - hence perennial
  • Main systems: Indus, Ganga, and Brahmaputra

Get complete notes with diagrams and examples

Full Notes

Key Concepts

The network of channels throughFour main patterns existEvolved through geological historyOlder than Himalayan system with broadBased on discharge

Frequently Asked Questions

What are the important topics in Drainage System for Karnataka Board Class 11 Geography?
Drainage System covers several key topics that are frequently asked in Karnataka Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Drainage System — Karnataka Board Class 11 Geography?
Understand the core concepts first, then work through the 74 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Drainage System

All 20 chapters — Karnataka Board Class 11 Geography Revision Notes

For serious students

Get the full Drainage System chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Karnataka Board Class 11 Geography.

Try Super Tutor Free
Try the full chapter — Free